# -*- encoding:utf-8 -*-
# !/usr/bin/env python
'''
    python-0806-03.py
    ======================
    @descript: 递归
    @copyright:nnz
    @author:dln
    @date: 2021/8/9 11:56
    @version:v1.0
'''
#函数自己调用自己-直接调用
import time


def fun_01():
    print('10分钟后火车开动')
    time.sleep(1)
    print('火车开动')
fun_01()
#间接调用
def fun_02():
    print('10分钟后火车开动')
    time.sleep(1)
    print('火车开动中')
    fun_02()
    pass
def fun_03():
    print('15分钟后火车开动')
    time.sleep(1)
    print('火车开动中')
    fun_02()   #调用fun_02
    pass
fun_03()
